Test your understanding of the nature of solids, liquids and gases. After removing the plunger, put the marshmallow into the syringe.2. Tes Global Ltd is The film does include some ideas about how to obtain dry ice but if all else fails try searching on the internet for dry ice cleaning companies local to you. Magnify the substances to atomic level so that the particles they consist of can be seen. Worksheets are Grade 7 science, States of matter work, Strengthening teaching and learning of particle theory, The particle model of matter 5, Theparticletheoryofmatter, Phases of matter multiple choice quiz, Topic 4 expansion and contraction, Year 7 urriculum. Three short film clips from the National Space Centre We Are Aliens film which can be used to introduce the activity shown above. Don’t worry about the fact that the resource is produced by physicists, particle theory is relevant to both chemistry and physics and this film shows how you can very simply expand the volume taken up by a gas and make the change visible.In addition to the teacher demonstration, this is an experiment that can also be carried out quickly and easily by students using small marshmallows (the type used on top of hot drinks) and 10 or 20 cm3 plastic syringes. Plot a graph of temperature against time and relate sections of the graph to the states of water. Debates and interpretive discussions which encourage students to develop explanations for new situations using the particle theory can help in moving towards a scientific concept of the particle model. The particles in solids, liquids and gases have different amounts of energy. [76]; Shared resources 7-2-01 Use appropriate vocabulary related to their investigations of the . Technologies, Design and - year 7 science, Rock, paper, scissors: student digital activities, Scootle Heat a block of ice to ten degrees Celsius. Conditions. The Le@rning Federation This booklet provides detailed information on students' misconceptions about particles, as well as guidance on progression across Key Stages 3 and 4 when thinking about developing an increasingly sophisticated understanding of this abstract concept. The lesson is in keeping with the current KS3 UK National Curriculum, is easily accessible for students and simple to follow for teachers. Select a substance such as ice and explore how physical changes of state can be brought about by supplying heat energy to the substance. www.nationalstemcentre.org.uk/secondaryscience, Stuff and Substance: Ten Key Practicals in Chemistry *suitable for home teaching*, Strengthening Teaching and Learning of Particle Theory, Secondary National Strategy, Life in the Freezer *suitable for home teaching*, Lesson Starter Movies *suitable for home teaching*, Particle Theory *suitable for home teaching*. Discover what happens to them as you change the temperature. Look closely at movement of the water molecules, especially at the surface. Observe animations of water particles over time and explain the shape of the graph in terms of particle theory. Square This is a student digital resource that contains interactive materials relevant to a study of light, sound, and electricity.

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